About us

About Sera4

The leader in keyless access management

Sera4 is a Canadian technology company that holds core patents for keyless access management. With its state-of-the-art cloud technology, Sera4 brings increased security and efficient to access management for critical infrastructure. Sera4’s head office is located in Waterloo, Ontario, home to a strong technology sector with hundreds of high-tech firms.

• First keyless padlock for critical infrastructure protection.
• First keyless system in mass deployment that serves both doors and padlocks together.
• First keyless access management system implemented by the largest independent tower company.